If your grandparents loved Pyrex, there is a chance a piece of their collection just might be worth a small fortune today.

You may have heard that uppercase PYREX and lowercase pyrex labels on cookware indicate what materials the items are made of.

Add Yahoo as a preferred source to see more of our stories on Google. For Amanda Homrighausen, the best part of collecting antique Pyrex cookware is the hunt. When the 41-year-old enters thrift stores ...

They were probably the centerpiece of many a family dinner, but if you inherited grandmas' cooking legacy of Pyrex dishes, you could be served a small fortune. Introduced in 1915, the ...

Patterned Pyrex, like the 1956 Pink Daisy or 1957 Butterprint, is highly collectible and can be worth hundreds of dollars depending on condition. Authentic Pyrex pieces can often be identified by ...

Related video above: 9 retro kitchen essentials Julia Child would loveIf you want to freshen up your kitchen, look no further than Grandma's old casserole dishes.Vintage kitchenware is back in style — ...

World Kitchen/Pyrex have submitted a response to this story. You may read their full and unedited response here. It has been nearly three years since ConsumerAffairs.com first reported that consumers ...

For Amanda Homrighausen, the best part of collecting antique Pyrex cookware is the hunt. When the 41-year-old enters thrift stores looking for glassware made by the century-old brand, she says her ...